freebsd-dev/contrib/libfido2/README.adoc
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== libfido2
image:https://github.com/yubico/libfido2/workflows/linux/badge.svg["Linux Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"]
image:https://github.com/yubico/libfido2/workflows/macos/badge.svg["macOS Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"]
image:https://github.com/yubico/libfido2/workflows/windows/badge.svg["Windows Build Status (github actions)", link="https://github.com/Yubico/libfido2/actions"]
image:https://github.com/yubico/libfido2/workflows/fuzzer/badge.svg["Fuzz Status (github actions)", link="https://github.com/Yubico/libfido2/actions"]
image:https://oss-fuzz-build-logs.storage.googleapis.com/badges/libfido2.svg["Fuzz Status (oss-fuzz)", link="https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:libfido2"]
*libfido2* provides library functionality and command-line tools to
communicate with a FIDO device over USB, and to verify attestation and
assertion signatures.
*libfido2* supports the FIDO U2F (CTAP 1) and FIDO 2.0 (CTAP 2) protocols.
For usage, see the `examples/` directory.
=== License
*libfido2* is licensed under the BSD 2-clause license. See the LICENSE
file for the full license text.
=== Supported Platforms
*libfido2* is known to work on Linux, macOS, Windows, OpenBSD, and FreeBSD.
=== Documentation
Documentation is available in troff and HTML formats. An
https://developers.yubico.com/libfido2/Manuals/[online mirror of *libfido2*'s documentation]
is also available.
=== Bindings
* .NET: https://github.com/borrrden/Fido2Net[Fido2Net]
* Go: https://github.com/keys-pub/go-libfido2[go-libfido2]
* Perl: https://github.com/jacquesg/p5-FIDO-Raw[p5-FIDO-Raw]
* Rust: https://github.com/PvdBerg1998/libfido2[libfido2]
=== Installation
==== Releases
The current release of *libfido2* is 1.8.0. Please consult Yubico's
https://developers.yubico.com/libfido2/Releases[release page] for source
and binary releases.
==== Ubuntu 20.04 (Focal)
$ sudo apt install libfido2-1
$ sudo apt install libfido2-dev
$ sudo apt install libfido2-doc
Alternatively, newer versions of *libfido2* are available in Yubico's PPA.
Follow the instructions for Ubuntu 18.04 (Bionic) below.
==== Ubuntu 18.04 (Bionic)
$ sudo apt install software-properties-common
$ sudo apt-add-repository ppa:yubico/stable
$ sudo apt update
$ sudo apt install libfido2-dev
==== macOS
$ brew install libfido2
Or from source, on UNIX-like systems:
$ (rm -rf build && mkdir build && cd build && cmake ..)
$ make -C build
$ sudo make -C build install
Depending on the platform,
https://www.freedesktop.org/wiki/Software/pkg-config/[pkg-config] may need to
be installed, or the PKG_CONFIG_PATH environment variable set.
*libfido2* depends on https://github.com/pjk/libcbor[libcbor],
https://www.openssl.org[OpenSSL], and https://zlib.net[zlib]. On Linux, libudev
(part of https://www.freedesktop.org/wiki/Software/systemd[systemd]) is also
required.
For complete, OS-specific installation instructions, please refer to the
`.actions/` (Linux, macOS) and `windows/` directories.
On Linux, you will need to add a udev rule to be able to access the FIDO
device, or run as root. For example, the udev rule may contain the following:
----
#udev rule for allowing HID access to Yubico devices for FIDO support.
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", \
MODE="0664", GROUP="plugdev", ATTRS{idVendor}=="1050"
----